254171520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{4903}}^1$

素因数の和:4934

約数の個数: 160

約数和(自身を含む): 907877520

約数和(自身を除く): 653706000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 4903, 5184, 5760, 6480, 8640, 9806, 10368, 12960, 14709, 17280, 19612, 24515, 25920, 29418, 39224, 44127, 49030, 51840, 58836, 73545, 78448, 88254, 98060, 117672, 132381, 147090, 156896, 176508, 196120, 220635, 235344, 264762, 294180, 313792, 353016, 392240, 397143, 441270, 470688, 529524, 588360, 627584, 661905, 706032, 784480, 794286, 882540, 941376, 1059048, 1176720, 1323810, 1412064, 1568960, 1588572, 1765080, 1882752, 1985715, 2118096, 2353440, 2647620, 2824128, 3137920, 3177144, 3530160, 3971430, 4236192, 4706880, 5295240, 5648256, 6354288, 7060320, 7942860, 8472384, 9413760, 10590480, 12708576, 14120640, 15885720, 16944768, 21180960, 25417152, 28241280, 31771440, 42361920, 50834304, 63542880, 84723840, 127085760, 254171520]

約数ペア:

[(1, 254171520), (2, 127085760), (3, 84723840), (4, 63542880), (5, 50834304), (6, 42361920), (8, 31771440), (9, 28241280), (10, 25417152), (12, 21180960), (15, 16944768), (16, 15885720), (18, 14120640), (20, 12708576), (24, 10590480), (27, 9413760), (30, 8472384), (32, 7942860), (36, 7060320), (40, 6354288), (45, 5648256), (48, 5295240), (54, 4706880), (60, 4236192), (64, 3971430), (72, 3530160), (80, 3177144), (81, 3137920), (90, 2824128), (96, 2647620), (108, 2353440), (120, 2118096), (128, 1985715), (135, 1882752), (144, 1765080), (160, 1588572), (162, 1568960), (180, 1412064), (192, 1323810), (216, 1176720), (240, 1059048), (270, 941376), (288, 882540), (320, 794286), (324, 784480), (360, 706032), (384, 661905), (405, 627584), (432, 588360), (480, 529524), (540, 470688), (576, 441270), (640, 397143), (648, 392240), (720, 353016), (810, 313792), (864, 294180), (960, 264762), (1080, 235344), (1152, 220635), (1296, 196120), (1440, 176508), (1620, 156896), (1728, 147090), (1920, 132381), (2160, 117672), (2592, 98060), (2880, 88254), (3240, 78448), (3456, 73545), (4320, 58836), (4903, 51840), (5184, 49030), (5760, 44127), (6480, 39224), (8640, 29418), (9806, 25920), (10368, 24515), (12960, 19612), (14709, 17280)]